package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/*
* 指定DELETE
* */
public class JDBCDemo4 {
    public static void main(String[] args) {
        //根据用户名删除对应的用户
        try (
                Connection con = DBUtil.getConnection();
                ){
            Statement stmt =con.createStatement();
            String sql ="DELETE FROM userinfo "+//空格
                         "WHERE username='熊出没'";
            int num=stmt.executeUpdate(sql);
            if (num>0){
                System.out.println("删除成功");
            }else {
                System.out.println("删除失败");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
